Home / 22,055,215.92-33,078,462.60-20,961,525.84

Finding the Fourth Proportional to 22,055,215.92, 33,078,462.60 and 20,961,525.84

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Solution

The fourth proportional to 22,055,215.92, 33,078,462.60 and 20,961,525.84 is: 31,438,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055,215.92 : 33,078,462.60 = 20,961,525.84 : x
  2. Step 2: Convert to fraction form
    22,055,215.92/33,078,462.60 = 20,961,525.84/x
  3. Step 3: Cross multiply
    22,055,215.92x = 33,078,462.60 × 20,961,525.84
  4. Step 4: Simplify right side
    22,055,215.92x = 693,375,048,537,373.62
  5. Step 5: Solve for x
    x = 693,375,048,537,373.62/22,055,215.92
  6. Step 6: Final answer
    x = 31,438,143.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.